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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://github.com/payara/Payara/blob/main/LICENSE.txt
 * See the License for the specific
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 * file and include the License file at legal/OPEN-SOURCE-LICENSE.txt.
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package com.sun.enterprise.deployment.deploy.shared;

import java.net.URI;
import java.net.URL;
import java.net.URISyntaxException;

/**
 * Utility logic.
 * 
 */
public class Util {

    private static final String SPACE = " ";  

    private static final String ENCODED_SPACE = "%20";  

   /**
    * Returns the name portion of the specified URI.  This is defined as the 
    * part of the URI's path after the final slash (if any).  If the URI ends
    * with a slash that final slash is ignored in finding the name.
    * 
    * @param uri the URI from which to extract the name
    * @return the name portion of the URI
    */
    public static String getURIName(URI uri) {
        String name = null;
        String path = uri.getSchemeSpecificPart();
        if (path != null) {
            /*
             * Strip the path up to and including the last slash, if there is one.
             * A directory URI may end in a slash, so be sure to remove it if it
             * is there.
             */
            if (path.endsWith("/")) {
                path = path.substring(0, path.length() - 1);
            }
            int startOfName = path.lastIndexOf('/') + 1; // correct whether a / appears or not
            name = path.substring(startOfName);
        }
        return name;
    }

   /**
    * Returns URI for the specified URL.  This method will take care of 
    * the space in URL.
    * 
    * @param url the URL to convert to URI
    * @return the URI
    */
    public static URI toURI(URL url) throws URISyntaxException { 
        return new URI(url.toString().replaceAll(SPACE, ENCODED_SPACE));
    }

   /**
    * Constructs a new URI by parsing the given string and then resolving it
    * against the base URI.  This method will take care of the space in String.
    *
    * @param baseUri the base URI to resolve against
    * @param uriString the String to construct URI and resolve 
    * @return the resulting URI
    */
    public static URI resolve(URI baseUri, String uriString) {
        return baseUri.resolve(uriString.replaceAll(SPACE, ENCODED_SPACE));
    }
}
